Clean up names and remove unnecessary parameter

content/renderer/input/render_widget_input_handler_delegate.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_INPUT_RENDER_WIDGET_INPUT_HANDLER_DELEGATE_H_
 #define CONTENT_RENDERER_INPUT_RENDER_WIDGET_INPUT_HANDLER_DELEGATE_H_
 
 #include <memory>
 
 #include "content/common/content_export.h"
 #include "content/common/input/input_event_ack.h"
 
 namespace blink {
 class WebGestureEvent;
 class WebMouseEvent;
 }
 
 namespace gfx {
 class Point;
 class Vector2dF;
 }
 
 namespace content {
 
 class RenderWidgetInputHandler;
 
-enum class ShowIme { IF_NEEDED, HIDE_IME };
-
-enum class ChangeSource {
-  FROM_NON_IME,
-  FROM_IME,
-};
-
 // Consumers of RenderWidgetInputHandler implement this delegate in order to
 // transport input handling information across processes.
 class CONTENT_EXPORT RenderWidgetInputHandlerDelegate {
  public:
   // Called when animations due to focus change have completed (if any).
   virtual void FocusChangeComplete() = 0;
 
   // Check whether the WebWidget has any touch event handlers registered
   // at the given point.
   virtual bool HasTouchEventHandlersAt(const gfx::Point& point) const = 0;
@@ skipping 17 matching lines @@
 
   // Called when an event with a notify dispatch type
   // (DISPATCH_TYPE_*_NOTIFY_MAIN) of |handled_type| has been processed
   // by the main thread.
   virtual void NotifyInputEventHandled(blink::WebInputEvent::Type handled_type,
                                        InputEventAckState ack_result) = 0;
 
   // Notifies the delegate of the |input_handler| managing it.
   virtual void SetInputHandler(RenderWidgetInputHandler* input_handler) = 0;
 
-  // |show_ime| should be ShowIme::IF_NEEDED iff the update may cause the ime to
-  // be displayed, e.g. after a tap on an input field on mobile.
-  // |change_source| should be ChangeSource::FROM_NON_IME when the renderer has
-  // to wait for the browser to acknowledge the change before the renderer
-  // handles any more IME events. This is when the text change did not originate
-  // from the IME in the browser side, such as changes by JavaScript or
-  // autofill.
-  virtual void UpdateTextInputState(ShowIme show_ime,
-                                    ChangeSource change_source) = 0;
+  // Call this if virtual keyboard should be displayed, e.g. after a tap on an
+  // input field on mobile. Note that we do this just by setting a bit in
+  // text input state and update it to the browser such that browser process can
+  // be up to date when showing virtual keyboard.
+  virtual void ShowVirtualKeyboard() = 0;
+
+  // Send an update of text input state to the browser process.
+  virtual void UpdateTextInputState() = 0;
 
   // Notifies that a gesture event is about to be handled.
   // Returns true if no further handling is needed. In that case, the event
   // won't be sent to WebKit.
   virtual bool WillHandleGestureEvent(const blink::WebGestureEvent& event) = 0;
 
   // Notifies that a mouse event is about to be handled.
   // Returns true if no further handling is needed. In that case, the event
   // won't be sent to WebKit or trigger DidHandleMouseEvent().
   virtual bool WillHandleMouseEvent(const blink::WebMouseEvent& event) = 0;
 
  protected:
   virtual ~RenderWidgetInputHandlerDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_INPUT_RENDER_WIDGET_INPUT_HANDLER_DELEGATE_H_